Improvement in looms for weaving embroidered fabrics



UNITED STATES PATENT OFFICE.

J. G. SPITZLL, OF MILLVILLE, MASSACHUSETTS.

iIMPROVMENT IN LOOMS FOR WEAVING EMBROIDERED-FABRICS.

Specification forming part of Letters Patent No. 51,095, (lated November21, 1865. y

.To all whom it may concern Beit known that I, J. G. SPITZLI, ofMillville, in the county ot' Worcester and State of Massachusetts, haveinvented a new and Iinproved Loom for Embroidery; and I do herebydeclare that the following is a full, clear, and exact descriptionthereof, which will enable others skilled in the art to make and usedle-har is secured, and witha suitable mechanism for turning thepattern-Wheel in such a manner that by the action of the pins in thepattern-wheel on the spring-arms therequired position is given totheneedle-bar and needles, and by screwing or pushing the pins in or outthe patternwheel can be adjusted for different patterns.

A represents a frame, made of cast-iron or other suitable material, inthe ordinary form of frames for looms. The bottom rails of this frameare provided with boxes for a shaft or rod, a,which forms the bearin gsfor the swords supporting the lay or batteri B. This batt-en isconstructed with shuttleboxes b b', one at each end, and with ashuttle-race, 5*, in the ordinary manner; but between the shuttle-raceand the reed is a slotor gap, c, extending throughout the entire lengthof the hatten. Through this slot rise two arms, C C', which are pivotedto alongitudinal rod,d, which connects the swords near their bottomends. The arms C G extend some distance above the batten, and aresupported from their upperends by means of spiral springs e e or otherequivalent connections in the needle-bar D. This bar is prevented fromrising beyond a certain point by hooks f f', secured in the top shell,E,ot` the hatten, and it is guided and prevented from swaying to and froby L-shaped guidepieces g" g', which catch over the outer edges .of thearms C C', as clearly shown in Fig. l

ofthe drawings, and it is further guided by slotted pieces h It', whichare tirnily secured to the top shell, E..

From the lower edge of the bar D project a series of needlesnt, withtheir eyes below, and through the eyes ot' these needles is drawn theembroidering mattrial.

A lising-and-falling motion is imparted to l the needle-bar by means oftwo double-arrned levers, F F',whicl1 have their fulcra on pivots t' t',secured in brackets d* di", which are firmly fastened to the rod d.Theinnerends of these levers connect by means of cords k k with theperiphery of a drum, G, in such a manner that by turning the drum in thedirection of the arrow marked on it in Fig. l the outer ends 'of saidlevers are depressed. Said outer ends connect, by rods l Zor any othersuitable connection, with the needle-bar D, and it` the same aredepressed the needle-bar is drawn down against the action of the springsc c', but as soon as the inner ends of said levers are released theneedle-bar is free to follow the action of said springs, and it rises toits original position, carrying with it the levers F F and causing thedrum Gr to turn to its originalv position. The needle-bar also has atraversing motion in a horizontal or slightlycurved direction, impartedto it by the action Vot" the pattern-wheel H on one of the arms, C. Thisarm is provided with a cam or projection, m, and said projection isforced against the periphery of the pattern-wheel bya spring, n,extending from the arm C' to the sword next to it. The pattern-wheelrotates ou an axle, o, which has its bearings in two bars, p p,extending from onesword to the other, and securedl to said swords byscrews or other suitable means. From the circumference of saidpattern-wheel projecta series of radiating pins, g, of an equallei1gtl1,'and arranged so that their length from the circumference of'the wheel can be regulated at pleasure. By

imparting to the pattern-wheel an intermittent rotary motion the pins gare successively brought opposite the cam m, and the position ot' theneedle-bar hanges according` to the different lengths of said pins. Bythis m0- tion of the needlebar the threads passing through the eyes ofthe needles n are-put into the warp of the fabric, which is at the sametime being woven upon the loom iu such iigures or lines as thepattern-wheel may determine, and by using two or more. needle-bars and acorresponding num her of pattern-wheels, or one patternlwheel withacorresponding number of sets of pins, patterns of any desirable shapemay be produced in the fabric as the weavin g proceeds.

The pattern-wheel receives'its motion by the action of a gravitatin'ghook-catch, r, which is pivoted to a lever, s, and catches over pins tprojecting from thefront side of the wheel. The lever s has its fulcrumon the axle of the wheel, and from its lower end extends a cord, u, tothe circumference ot' the drum G. ^By turning this drum in the directionmarked on it in Fig. 1 the lever oscillates and the hook Vris moved inthe direction of thearrow marked near-it in Fig. 1, and on releasing thedrum the lever sis drawn back by the action of a spring, o, and thepattern-wheel is caused to rotate in the direction of the arrow markedon it in Fig. 1.

The spring v is guided on a pin,c, which extends from a bracket securedto the front bar, p, and itsl power is so adjusted that it'eft'ects thedesired motion of the pattern-wheel after the hook-catch has taken afresh hold, in the manner previously explained.

It will be noticed that the levers F,F, and s derive their motion fromone and the same drum, G, and consequently the downward motion of theneedle-bar and its traversing motion take place simultaneously, and theembroidering-'thieads are put into the fabric at the properintervals,the depression of the needle-bar being necessary in order tobring the embroidering-threads down in thc same place' with thewarp-threads.

The motion of the drum G may be elected by hand or foot power, or inpower-looms it may be produced by suitable mechanism connccting the samewith the working parts ot' the loom.

A suitable friction applied to a pulley on the shaft'o of the'pattern-wheel prevents the same from turning spontaneously, and retainsit in` drawings.` As the hatten swings back and forth the bar b2, withthe pins a?, rises and falls, and the shuttle is prevented from 'runninginto the embroidering-threads.

I claim as new and desire to secure by Letters Patent- 1. Thepattern-wheel H, composed` of a scriesof adjustable pins, q, incombination with a suitable mechanism forturning the same, and withoscillating spring-arms,to which one or more needle-bars are attached,substantially as and for the'purpose specified.

2. The combination of the pattern-wheel H, needle-bar D, and pins a?,all arranged and operating substantially as and for the purposesspeci'tied.

` J. G. s PITZLI.

Witnesses:

. M. M. LIVINGSTON,

C. L. ToPLIFF.

